Dilatation catheter with side aperture

Details Dilatation catheter with side aperture Dilatation catheter with side aperture

1995-02-01

1997-06-03

Buiz, Michael Powell

Surgery

Means for introducing or removing material from body for...

Treating material introduced into or removed from body...

604102, 604282, 606194, A61M 2900

Patent

active

056349025

ABSTRACT:
A balloon dilatation catheter defines a side aperture defined in the catheter shaft between the ends of the catheter and communicating between the guidewire lumen and the catheter exterior. A removable support mandrin may occupy a proximal lumen of the catheter. The mandrin may define a distal tip portion which is positioned preferably closely proximal to the aperture. The distal tip portion may have a reduced diameter relative to the average diameter of portions of the mandrin which are proximal to the tip portion, for providing mandrin tip flexibility. Also, a catheter-stiffening bridge member may be positioned within and permanently secured to the catheter adjacent to the aperture portion, to reduce catheter kinking adjacent thereto.

REFERENCES:
patent: 4748982 (1988-06-01), Horzewski et al.
patent: 4762129 (1988-08-01), Bonzel
patent: 5040548 (1991-08-01), Yock
patent: 5156594 (1992-10-01), Keith
patent: 5334147 (1994-08-01), Johnson
patent: 5360401 (1994-11-01), Turnland
patent: 5370615 (1994-12-01), Johnson
patent: 5387193 (1995-02-01), Miraki
patent: 5458615 (1995-10-01), Klemm et al.
patent: B14762129 (1988-08-01), Bonzel
Brochure --Interventional Cardiology --Europass Rapid Exchange System You Pick the Size We Guarantee You'll Cross Cordis International May, 1993, 6 pages.

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